1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.config.provision;
import com.google.inject.Inject;
import com.yahoo.cloud.config.ConfigserverConfig;
import java.util.Objects;
import java.util.Optional;
/**
* The zone (environment + region) of this runtime, and some other information.
* An injected instance of this will return the correct current environment and region.
* Components can use this to obtain information about which zone they are running in.
*
* @author bratseth
*/
public class Zone {
private final CloudName cloudName;
private final SystemName systemName;
private final Environment environment;
private final RegionName region;
private final Optional<NodeFlavors> nodeFlavors;
@Inject
public Zone(ConfigserverConfig configserverConfig, NodeFlavors nodeFlavors) {
this(CloudName.from(configserverConfig.cloud()),
SystemName.from(configserverConfig.system()),
Environment.from(configserverConfig.environment()),
RegionName.from(configserverConfig.region()),
nodeFlavors);
}
/** Create from environment and region. Use for testing. */
public Zone(Environment environment, RegionName region) {
this(SystemName.defaultSystem(), environment, region);
}
/** Create from system, environment and region. Use for testing. */
public Zone(SystemName systemName, Environment environment, RegionName region) {
this(CloudName.defaultName(), systemName, environment, region);
}
/** Create from cloud, system, environment and region. Use for testing. */
public Zone(CloudName cloudName, SystemName systemName, Environment environment, RegionName region) {
this(cloudName, systemName, environment, region, null);
}
/** Create from cloud, system, environment, region and node flavors. Use for testing. */
private Zone(CloudName cloudName,
SystemName systemName,
Environment environment,
RegionName region,
NodeFlavors nodeFlavors) {
this.cloudName = cloudName;
this.systemName = systemName;
this.environment = environment;
this.region = region;
this.nodeFlavors = Optional.ofNullable(nodeFlavors);
}
/** Returns the current cloud */
public CloudName cloud() { return cloudName; }
/** Returns the current system */
public SystemName system() { return systemName; }
/** Returns the current environment */
public Environment environment() {
return environment;
}
/** Returns the current region */
public RegionName region() {
return region;
}
/** Returns all available node flavors for the zone, or empty if not set for this Zone. */
public Optional<NodeFlavors> nodeFlavors() { return nodeFlavors; }
/** Do not use */
public static Zone defaultZone() {
return new Zone(CloudName.defaultName(), SystemName.defaultSystem(), Environment.defaultEnvironment(), RegionName.defaultName());
}
@Override
public String toString() {
return "zone " + environment + "." + region;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof Zone)) return false;
Zone zone = (Zone) o;
return environment == zone.environment &&
Objects.equals(region, zone.region);
}
@Override
public int hashCode() {
return Objects.hash(environment, region);
}
}
|